3 memcached_return
memcached_delete(memcached_st
*ptr
, char *key
, size_t key_length
,
6 return memcached_delete_by_key(ptr
, key
, key_length
,
7 key
, key_length
, expiration
);
10 memcached_return
memcached_delete_by_key(memcached_st
*ptr
,
11 char *master_key
, size_t master_key_length
,
12 char *key
, size_t key_length
,
18 char buffer
[MEMCACHED_DEFAULT_COMMAND_SIZE
];
19 unsigned int server_key
;
21 LIBMEMCACHED_MEMCACHED_DELETE_START();
24 return MEMCACHED_NO_KEY_PROVIDED
;
26 if (ptr
->hosts
== NULL
|| ptr
->number_of_hosts
== 0)
27 return MEMCACHED_NO_SERVERS
;
29 server_key
= memcached_generate_hash(ptr
, master_key
, master_key_length
);
32 send_length
= snprintf(buffer
, MEMCACHED_DEFAULT_COMMAND_SIZE
,
33 "delete %.*s %llu\r\n", (int)key_length
, key
,
34 (unsigned long long)expiration
);
36 send_length
= snprintf(buffer
, MEMCACHED_DEFAULT_COMMAND_SIZE
,
37 "delete %.*s\r\n", (int)key_length
, key
);
39 if (send_length
>= MEMCACHED_DEFAULT_COMMAND_SIZE
)
41 rc
= MEMCACHED_WRITE_FAILURE
;
45 to_write
= (ptr
->flags
& MEM_BUFFER_REQUESTS
) ? 0 : 1;
47 rc
= memcached_do(ptr
, server_key
, buffer
, send_length
, to_write
);
48 if (rc
!= MEMCACHED_SUCCESS
)
51 if ((ptr
->flags
& MEM_BUFFER_REQUESTS
))
53 rc
= MEMCACHED_BUFFERED
;
57 rc
= memcached_response(ptr
, buffer
, MEMCACHED_DEFAULT_COMMAND_SIZE
, NULL
, server_key
);
58 if (rc
== MEMCACHED_DELETED
)
59 rc
= MEMCACHED_SUCCESS
;
63 LIBMEMCACHED_MEMCACHED_DELETE_END();
67 memcached_return
memcached_mdelete(memcached_st
*ptr
,
68 char **key
, size_t *key_length
,
69 unsigned int number_of_keys
,
72 return memcached_mdelete_by_key(ptr
, NULL
, 0,
74 number_of_keys
, expiration
);
78 memcached_return
memcached_mdelete_by_key(memcached_st
*ptr
,
79 char *master_key
, size_t master_key_length
,
80 char **key
, size_t *key_length
,
81 unsigned int number_of_keys
,
85 memcached_return rc
= MEMCACHED_SUCCESS
;
86 char buffer
[MEMCACHED_DEFAULT_COMMAND_SIZE
];
87 unsigned int master_server_key
= 0;
90 LIBMEMCACHED_MEMCACHED_DELETE_START();
92 if (ptr
->hosts
== NULL
|| ptr
->number_of_hosts
== 0)
93 return MEMCACHED_NO_SERVERS
;
95 if (master_key
&& master_key_length
)
96 master_server_key
= memcached_generate_hash(ptr
, master_key
, master_key_length
);
98 for (x
= 0; x
< number_of_keys
; x
++)
100 unsigned int server_key
;
102 if (master_key
&& master_key_length
)
103 server_key
= master_server_key
;
105 server_key
= memcached_generate_hash(ptr
, key
[x
], key_length
[x
]);
108 send_length
= snprintf(buffer
, MEMCACHED_DEFAULT_COMMAND_SIZE
,
109 "delete %.*s %llu\r\n", (int)(key_length
[x
]), key
[x
],
110 (unsigned long long)expiration
);
112 send_length
= snprintf(buffer
, MEMCACHED_DEFAULT_COMMAND_SIZE
,
113 "delete %.*s\r\n", (int)(key_length
[x
]), key
[x
]);
115 (void)memcached_do(ptr
, server_key
, buffer
, send_length
, 0);
118 return MEMCACHED_BUFFERED
;